fix tox tool

Author: caberos

SoftLayer/managers/network.py

@@ -689,4 +689,5 @@ def get_nas_credentials(self, identifier, **kwargs):
     def set_subnet_ipddress_note(self, identifier, note):
         """Set the ip address note of the subnet"""
         result = self.client.call('SoftLayer_Network_Subnet_IpAddress', 'editObject', note, id=identifier)
-        return result
+        return result
+